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  • False sense of security with `snprintf_s`

    - by xtofl
    MSVC's "secure" sprintf funcions have a template version that 'knows' the size of the target buffer. However, this code happily paints 567890 over the stack after the end of bytes... char bytes[5]; _snprintf_s( bytes, _TRUNCATE, "%s", "1234567890" ); Any idea what I do wrong, or is this a known bug? (I'm working in VS2005 - didn't test in 2008 or 2010)

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  • VB.NET ASP.NET Web Application woes (VS 2008)

    - by typoknig
    Hi all, I am making my first web application with ASP.NET and I am having a rough time. I have previously created the application I am working on as a Windows Form application and it works great, but I am having problems with the HTML side of things in the web application. My issues are pretty minor, but very annoying. I have worked with websites before and CSS, but as far as I can tell I do not have direct access to a CSS when creating a web application in VS 2008. My biggest issue is the positioning of components that I have dragged onto the "Default.aspx" form. For instance, how am I supposed to float a panel next to another one if I don't have a CSS, or how am I to correctly position a label?

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  • error LNK2001: unresolved external symbol

    - by numerical25
    I am receiving this error >GXRenderManager.obj : error LNK2001: unresolved external symbol "private: static class GXRenderer * GXRenderManager::renderDevice" (?renderDevice@GXRenderManager@@0PAVGXRenderer@@A) The following is my code... GXDX.h class GXDX: public GXRenderer { public: void Render(); void StartUp(); }; GXGL.h class GXGL: public GXRenderer { public: void Render(); void StartUp(); }; GXRenderer class GXRenderer { public: virtual void Render() = 0; virtual void StartUp() = 0; }; GXRenderManager.h #ifndef GXRM #define GXRM #include <windows.h> #include "GXRenderer.h" #include "GXDX.h" #include "GXGL.h" enum GXDEVICE { DIRECTX, OPENGL }; class GXRenderManager { public: static int Ignite(GXDEVICE); private: static GXRenderer *renderDevice; }; #endif GXRenderManager.cpp #include "GXRenderManager.h" int GXRenderManager::Ignite(GXDEVICE DeviceType) { switch(DeviceType) { case DIRECTX: GXRenderManager::renderDevice = new GXDX; return 1; break; case OPENGL: GXRenderManager::renderDevice = new GXGL; return 1; break; default: return 0; } } main.cpp #include "GXRenderManager.h" int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { return 0; } I am not trying to get it to do anything. I am just trying to compile with no errors. I am new with all this so if anyone can give me a hand. that will be great. thanks

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  • Adding Class instance as a new Row in DataGridView (c#)

    - by Amit Shah
    Hi All, I have a class say [Serializable] public class Answer { [DisplayName("ID")] public string ID { get; set; } [DisplayName("Value")] public string Value { get; set; } } and I have a datagridview with bounded columns to the above class. instances of this class Answer are created dynamically as and when required. How do I update datagridview when each and every instance of class is created. is it possible to do something of this sort. dataGridView.Rows.Add(classInstance); Thanks in Advance, Amit

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  • New projects not built when target platform is set explicitly

    - by stiank81
    I create a new solution with one project, and then change the target platform from "Any CPU" to "x86". After this new projects added doesn't get built by default, and their target platform doesn't follow the global settings. Why?! Looking at the configuration manager new projects added are not checked to "Build", and they get target platform "Any CPU" instead of the globally set x86. Why is this happening? I expect new projects too to get the globally set and defined x86 target platform.. Some things I've tried: Toggle global platform back to Any CPU, and then to x86 again. No change.. Choosing platform explicitly for the new project. x86 is not available in the list, and when I say <New..> and try adding it I'm not allowed as ".. a solution platform with the same name already exists.". On the build properties for the new project I can't change the platform in the Configuration section, but I can set "Platform target" to x86 in the General section. It is however not clear whether this actually makes a difference, and it wouldn't respond if I change the target platform globally later. Initially I thought this was a problem from converting my solution from VS2008 to VS2010, but the problem applies both places. I.e. when I create a solution in VS2008 and just stay in VS2008 I still get the problem.

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  • why must you provide the keyword const in operator overloads

    - by numerical25
    Just curious on why a param has to be a const in operation overloading CVector& CVector::operator= (const CVector& param) { x=param.x; y=param.y; return *this; } couldn't you have easily done something like this ?? CVector& CVector::operator= (CVector& param) //no const { x=param.x; y=param.y; return *this; } Isn't when something becomes a const, it is unchangeable for the remainder of the applications life ?? How does this differ in operation overloading ???

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  • what is a virtual adapter

    - by numerical25
    I hear the term virtual adapter from time to time. But not exactly sure what it is. I can't exactly find a good definition online. Is there an exact definition for a virtual adapter. If so, what is it. Or what does it usually mean ?

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  • Strategy for developing a multi function asp.net web application

    - by user247023
    I'm about to start a new project and want some advice on how to implement. I need a web application which contains a booking module for reserving timeslots, and a time management module which will enable employees to clock in / clock out. If I am writing an update to the time managment module, I don't want to disrupt the booking engine availability by releasing a new solution containing both modules. to make things more difficult, there is some shared functionality like common users, roles and security. Here's a suggestion I've gotten, which sounds a bit cruddy, but may be functional. Write a 'container' web application which consists of basically a frame, and authentication / security features. This then has links which, will load the 2 independantly built and released web applications into the frame. I can see that say, if I wanted to update the time management module, I would only need to build and release this separately, and the rest of the solution would be 'untouched' Any better alternatives?

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  • error C2146: syntax error : missing ';' before identifier 'g_App'

    - by numerical25
    I wish c++, was a little more specific on the messages they give. The following error is being thrown in the document below main.h #ifndef main_h #define main_h //includes #include <windows.h> #include <commctrl.h> #include <d3d9.h> #include <fstream> #include "capplication.h" //constants #define TITLE "D3D Tut 01: Create Window" #define WINDOW_X 350 #define WINDOW_Y 320 //Button ID's #define ID_START 1 #define ID_CANCEL 2 //globals extern CApplication g_App; //function prototypes LRESULT CALLBACK WindowProcedure(HWND,UINT,WPARAM,LPARAM); #endif The only header file that could possible throw this error is the capplication.h. given below capplication.h #ifndef capplication_h #define capplication_h #include"main.h" class CApplication { public: CApplication(void); ~CApplication(void); void InitWindow(void); void SaveSettings(void); void LoadSettings(void); void KillWindow(void); inline bool GetWindowStatus(void) { return m_bRunningWindow; } inline HWND GetWindowHandle(void) { return m_hWindow; } inline void SetWindowStatus(bool bRunningWindow) { m_bRunningWindow = bRunningWindow; } private: bool m_bRunningWindow; HWND m_hWindow, m_hBtnStart, m_hBtnCancel, m_hLblResolution, m_hCbResolution, m_hLblBackBuffer, m_hCbBackBuffer, m_hLblDepthStencil, m_hCbDepthStencil, m_hLblVertexProcessing, m_hCbVertexProcessing, m_hLblMultiSampling, m_hCbMultiSampling, m_hLblAnisotropy, m_hCbAnisotropy; DWORD m_dwWidth, m_dwHeight, m_dwVertexProcessing, m_dwAnisotropy; D3DFORMAT m_ColorFormat, m_DepthStencilFormat; D3DMULTISAMPLE_TYPE m_MultiSampling; }; #endif Besides that, the only suspicious thing I see is fstream given in the first code. I did have it as fstream.h But VC++ was not recognizing it so I was told to remove the h and I did. now I am down to this error. and I have no clue what it could be. Possibly something obvious

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  • OpenMP implementations in VC++ 2008, 2010

    - by John
    Depending on implementation, OMP can be quite useful to parallelize fairly arbitrary bits of code - e.g a parallel section inside a method that calls two independent methods - or it can be bad. It depends on how threads are created/cached, I think. How does the VC++ 2008 implementation work? And is the 2010 implementation significantly different in terms of features and performance/flexibility?

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  • VS2010 and VS2008 together in a Team

    - by MNZ
    Hi, I'm in a team that all members have VS2008 installed on their machine, we have tortois svn as source control system. Is there a solution that I can work with them with VS2010 installed on my machine? Or I have to install VS2008 to work with the other members? thanks.

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  • Does Microsoft make available the .obj files for its CRT versions to enable whole program optimizati

    - by Leeks and Leaks
    Given the potential performance improvements from LTCG (link time code generation, or whole program optimization), which requires the availability of .obj files, does Microsoft make available the .obj files for the various flavors of its MSVCRT releases? One would think this would be a good place for some potential gain. Not sure what they have to lose since the IL that is generated in the .obj files is not documented and processor specific.

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  • Porting VS2005 project to VS2008

    - by lucavb
    i need to port a VS2005 Project (.NET2) to a VS2008 (.NET3.5) (or to VS2010 .NET4 not yet defined). The project is composed by: resources and configuration files (VS project files, like: .settings .vbproj .myapp .config .xconfig .Designer.vb); a lot of VB codes; xsc, xsd, xss and xsx files; a lot of Crystal reports for VS2005; graphical resources. The application take data in order to generate reports from more DB SQL Server 2005 istances. What is the best way to approach to a migration activity? Is there an internal migration tool? If yes, what's the best practice to use it? Which kind of files will be automatically ported to the new VS version? Thanks in advance for all the provided information

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  • refactoring my code. My headers (Header Guard Issues)

    - by numerical25
    I had a post similar to this awhile ago based on a error I was getting. I was able to fix it but since then I been having trouble doing things because headers keep blocking other headers from using code. Honestly, these headers are confusing me and if anyone has any resources that will address these types of issues, that will be helpful. What I essentially want to do is be able to have rModel.h be included inside RenderEngine.h. every time I add rModel.h to RenderEngine.h, rModel.h is no longer able to use RenderEngine.h. (rModel.h has a #include of RenderEngine.h as well). So in a nutshell, RenderEngine and rModel need to use each others functionalities. On top of all this confusion, the Main.cpp needs to use RenderEngine. stdafx.h #include "targetver.h" #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers // Windows Header Files: #include <windows.h> // C RunTime Header Files #include <stdlib.h> #include <malloc.h> #include <memory.h> #include <tchar.h> #include "resource.h" main.cpp #include "stdafx.h" #include "RenderEngine.h" #include "rModel.h" // Global Variables: RenderEngine go; rModel *g_pModel; ...code........... rModel.h #ifndef _MODEL_H #define _MODEL_H #include "stdafx.h" #include <vector> #include <string> #include "rTri.h" #include "RenderEngine.h" ........Code RenderEngine.h #pragma once #include "stdafx.h" #include "d3d10.h" #include "d3dx10.h" #include "dinput.h" #include "rModel.h" .......Code......

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  • how to find file's path according to filename?

    - by Phsika
    how to find file's path according to filename? i need to find file's path according to file name sample code: string path= System.IO.Directory.GetDirectories(@"c:\", "kategori",System.IO.SearchOption.AllDirectories).First(); But i need : string path= System.IO.Directory.GetDirectories(@"anyFolder", "kategori",System.IO.SearchOption.AllDirectories).First();

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  • BlackBerry - GUI design prototyping mockup (Visio stencils)

    - by Max Gontar
    Hi! Just want to share information (and ask for some challenge) My company has published a set of Visio 2003 stencils for BlackBerry GUI prototyping RIM BlackBerry 8300, BlackBerry OS 4.5 RIM BlackBerry 9000, BlackBerry OS 4.6 RIM BlackBerry 9500, BlackBerry OS 4.7 RIM BlackBerry 9700, BlackBerry OS 5.0 It's free, however for download you will need to fill email form. Question: Is there other sets like that, so we could learn and make our one better (or just throw it away)? If it's too "self-promotional", feel free to close :) Thank you!

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  • Code a timer in a GUI python TKinter

    - by Diego Castro
    I need to code a program with GUI in python (I'm thinking of using TKinter, 'cause it's easy, but I'm open to suggestions). My major problem is that I don't know how to code a timer (like a clock... like 00:00:00,00 hh:mm:ss,00 ) I need it to update it self (that's what I don't know how to do) Another question is how do I put a program in the system tray (I don't think it's called like that in Linux) for UBUNTU.

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  • CheckBox menu item Decrypt in JAVA GUI

    - by Nick
    I am working on a project and part of ask for: add a CheckBox menu item Decrypt which can be checked for decrypt or unchecked for Encrypt. This item should be tied to the toggle button in the GUI. Both should reflect the current status of encrypting/decrypting in the application which is I not sure how to begin with

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  • Run Smalltalk on server without GUI?

    - by Damir Horvat
    Hi! I've got rather distinct question - I'd like to run Smalltalk on a production server without using graphical interface. Is this possible with VW or Pharo (maybe even Squeak)? I've got a VPS hosting without X and would like to have few websites running on Smalltalk, while developing them localy with full-blown Smalltalk env, including GUI. Thanks, Damir

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  • Disable text selection in QT/WebKit GUI

    - by Adal
    I'm checking if it would be possible to implement a GUI using HTML through PyQT and WebKit. One of the problem is that using the mouse you can select the text making up the interface. Can this behaviour be disabled? Also, the mouse pointer changes to an insertion caret while over the selectable text. I would like to disable this, without disabling the hand mouse pointer which appears when over a clickable link.

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  • GUI for touchscreen panel

    - by Surjya Narayana Padhi
    Hi Geeks, I am planning to design an embedded device which will have atom processor platform and linux OS in it. It will have an 7" touchscreen panel. In stead of going for KDE and GNOME desktops I want to design my small desktop environment for the device. Can anyone please suggest which GUI tool I should use to design a desktop from scratch?

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